3644 Add virtio-net support into the Illumos
Reviewed by: Alexey Zaytsev, alexey.zaytsev@gmail.com
Reviewed by: Yuri Pankov, yuri.pankov@nexenta.com
Reviewed by: David Hoppner, 0xffea@gmail.com

@@ -182,10 +182,11 @@
 void virtio_free_vq(struct virtqueue *);
 void virtio_reset(struct virtio_softc *);
 struct vq_entry *vq_alloc_entry(struct virtqueue *vq);
 void vq_free_entry(struct virtqueue *vq, struct vq_entry *qe);
 uint_t vq_num_used(struct virtqueue *vq);
+unsigned int virtio_ve_indirect_available(struct vq_entry *qe);
 
 void virtio_stop_vq_intr(struct virtqueue *);
 void virtio_start_vq_intr(struct virtqueue *);
 
 void virtio_ve_add_cookie(struct vq_entry *qe, ddi_dma_handle_t dma_handle,